SHIYAN 27C, 63601
Orbit data source: Space-Track
SHIYAN 27C, 63601 is a payload satellite owned by CAST (CN) in SSO that was launched on Fri, 18 Apr 2025 UTC via a CHANG ZHENG 6A launch vehicle from the Taiyaun Space Center, China (TSC). Payload-class satellites include a variety of spacecraft equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.
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63601 intel report (Beta)
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Identifier
Orbit
Country
CN / PRCRelated business
Manufacturer
CAST
Mission
Operational Defense Radar Imaging
Bus & Motor
SW27, Unknown motor
Mass
300 kg wet, ~300 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 1 Pan, 1.9 m
Radar Cross Section
13.200 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 5 hours ago
TLE from 5 hours ago
0 SHIYAN 27C
1 63601U 25078C 26089.57770975 .00000013 00000-0 80186-4 0 9991
2 63601 99.6939 98.0410 0000863 101.2081 258.9154 13.57245025 46878Epoch: 2026-03-30T13:51Z
TLE epoch observation values (Epoch: 2026-03-30T13:51:54.122Z)
Latitude
-0.00006°
Longitude
62.09826°
Altitude
1,048.64 km
Speed
7.328 km/s
True Right ascension
06h 32m 09s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
00:13:48
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,043.653 km
Perigee altitude
1,042.372 km
Semi-major axis
7,421.15 km
Eccentricity
0.00009
Inclination
99.6939°
RAAN
98.041°
Arg. of periapsis
101.2081°
True anomaly
258.9057°
Mean anomaly
258.9154°
Eccentric anomaly
258.91055°
Mean motion
3.39497 °/min
Orbital period
106.04 mins
BSTAR
0.000080186
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Other satellites on launch #78 in the year 2025 (2025-04-18 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.SHIYAN 27C Visibility forecast
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Span | Click to sort rows by Start time (UTC) header in descending order | Start Az. | Max El. time (UTC) | Max El. Az. | Max El. | End time (UTC) | End Az. |
|---|---|---|---|---|---|---|---|
| 8 mins | 2026-03-30 22:52:37.164Z | 99.732° ESE | 2026-03-30 22:56:37.164Z | 59.258° ENE | 18.506° | 2026-03-30 23:00:37.164Z | 18.464° NNE |
| 11 mins | 2026-03-31 00:35:37.164Z | 173.19° S | 2026-03-31 00:40:37.164Z | 260.106° W | 43.798° | 2026-03-31 00:46:37.164Z | 341.051° N |
| 11 mins | 2026-03-31 13:27:37.164Z | 15.084° NNE | 2026-03-31 13:32:37.164Z | 21.384° NNE | 44.718° | 2026-03-31 13:38:37.164Z | 196.162° SSW |
| 5 mins | 2026-03-31 15:14:37.164Z | 324.771° NNW | 2026-03-31 15:16:37.164Z | 303.94° NW | 15.352° | 2026-03-31 15:19:37.164Z | 273.923° WNW |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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